层次的莲花种子衍生的有孔活性碳与NiCo封装2S4,用于高性能全固态非对称超级电容器
Siyi Cheng1, Xiaowu Wang1, Kang Du1
1School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan 430074, China.
Molecules (Basel, Switzerland)
|July 14, 2023
概括
生物废物被转化为高级超级电容器的层次性多孔碳/和硫化物 (PAC/NiCo2S4) 复合物. 这种生物质衍生材料能够高性能储能,具有出色的容量和稳定性.
科学领域:
- 材料科学 材料科学 材料科学
- 电化学 电化学 电化学
- 可再生能源可再生能源是可再生能源.
背景情况:
- 开发用于储能的可持续材料对于环境保护至关重要.
- 来自生物质的碳材料为制造高性能超级电容器提供了一个有前途的途径.
- 层次结构可以增强储能器件中的离子/电子传输.
研究的目的:
- 为了制造一种新的等级性多孔碳/硫化物 (PAC/NiCo2S4) 复合物.
- 研究超级电容器中PAC/NiCo2S4复合物的电化学性能.
- 使用生物质衍生材料构建和评估一个全固态非对称超级电容器 (ASC).
主要方法:
- 通过激活和硫化处理制造层次性的PAC/NiCo2S4复合物.
- 对PAC/NiCo2S4电极的特定电容和循环稳定性的电化学表征.
- 使用PAC/NiCo2S4作为阴极和PAC作为阳极的全固态不对称超级电容器的组装.
主要成果:
- PAC/NiCo2S4电极在1.25 A g-1下表现出高特异电容1217.2 F g-1的高特异电容.
- 复合材料表现出卓越的循环稳定性,表明对储能应用的耐用性.
- 构建的ASC装置实现了高能量密度 (49.7 Wh kg-1) 和功率密度 (4785.5 W kg-1).
结论:
- 来自生物质的分层PAC/NiCo2S4复合物是高性能超级电容器的一个有前途的电极材料.
- 开发的全固态ASC显示出出色的能量和功率特性.
- 这种方法突出了利用生物废弃物的潜力,以实现可持续和高效的储能解决方案.
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